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 ORIGINAL ARTICLE
Year : 2020  |  Volume : 26  |  Issue : 1  |  Page : 9--12

Quality of sleep in patients with cancer: A cross-sectional observational study


1 Department of Medical Oncology, Kasturba Hospital and College, Manipal Education of Higher Education, Manipal University, Manipal, Karnataka, India
2 Department of Psychiatry, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, India

Correspondence Address:
Dr. Ananth Pai
Department of Medical Oncology, Kasturba Hospital and College, Manipal Education of Higher Education, Manipal University, Manipal, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/IJPC.IJPC_164_19

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Background: Insomnia and poor sleep quality are common problems in patients with cancer. It interferes with the coping ability, symptoms, and treatment outcomes. The Pittsburgh Sleep Quality Index (PSQI) is a reliable, valid instrument to assess the quality of sleep in patients with cancer. Patients and Methods: The study was conducted at the department of medical oncology of a tertiary cancer care center. Consecutive eligible participants were recruited and evaluated for sleep quality using PSQI questionnaire. The questionnaire was administered only once with the questions evaluating to the quality of sleep over the last 1 month. A PSQI total score of ≤5 was suggestive of good quality of sleep and a score of >5 was indicative of poor quality of sleep. Results: Ninety-two consecutive consenting cancer patients admitted for chemotherapy participated in the study. Thirty-one (33.7%) patients had early cancer and 35 (38%) patients had Stage IV metastatic disease. Thirty-six (39.1%) patients reported sleep of <6 h and 30 (32.6%) patients had impaired functioning during day due to sleepiness. Fifty-three (57.6%) patients had poor total PSQI score, of which 39 (73.5%) were female and 14 (26.5%) were male. The study showed no correlation of the PSQI scores with the stage of the disease, and the prior treatment received. Conclusions: The study showed that Indian cancer patients have short sleep duration and poor quality of sleep. A higher prevalence of sleep disturbances was seen among female cancer patients. PSQI questionnaire can be a cost-effective way of screening cancer patients for poor quality of sleep.






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